[Licenses not granted when there are approved drugs].
Wallenbeck
Ingrid
I
Forslund
Lennart
L
D000293:Adolescent; D002492:Central Nervous System Depressants / Q000008:administration & dosage; D002648:Child; D017277:Drug Approval; D006801:Humans; D007880:Legislation, Drug; D008550:Melatonin / Q000008:administration & dosage
D002492:Central Nervous System Depressants; D008550:Melatonin